Ether is a chemical compound with many uses. It is a GAS, represented by the 3-letter solution GAS, that is colorless and has a characteristic odor. It is also known as the 'SKY' or 'upper air, ' represented by the 3-letter solution SKY. Ether is also an enol, represented by the 4-letter solution ENOL, which is an organic compound containing a hydroxyl group bonded to a carbon atom. Finally, ether is also a SOLVENT, represented by the 7-letter solution SOLVENT, which is a substance capable of dissolving other substances.